SOLUTION: This problem is really frustrating me, I just don't understand, will someone please help? Find teh area of a triangle if side b = 5, side c = 4, and angle A = 20 degrees. Thank y

Algebra ->  Trigonometry-basics -> SOLUTION: This problem is really frustrating me, I just don't understand, will someone please help? Find teh area of a triangle if side b = 5, side c = 4, and angle A = 20 degrees. Thank y      Log On


   



Question 150200: This problem is really frustrating me, I just don't understand, will someone please help?
Find teh area of a triangle if side b = 5, side c = 4, and angle A = 20 degrees.
Thank you so much for your time!
Lindsey

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Find the area of a triangle if side b = 5, side c = 4, and angle A = 20 degrees.
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There is a formula that says Area of a triangle = absinC
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Your Problem:
Area = bcsinA
Area = 5*4*sin(20)
Area = 20sin(20)
Area = 6.84...
Cheers,
Stan H.